<!DOCTYPE html>
<html>
<head>
  <title></title>
  <script src="https://www.gstatic.com/firebasejs/5.5.0/firebase.js"></script>
  <script>
    // Initialize Firebase
    var config = {
      apiKey: "AIzaSyDlQEi1PMXJJJinm-Y6wxxkna5Ef6ulmh0",
      authDomain: "fir-demo-664d6.firebaseapp.com",
      databaseURL: "https://fir-demo-664d6.firebaseio.com",
      projectId: "fir-demo-664d6",
      storageBucket: "fir-demo-664d6.appspot.com",
      messagingSenderId: "648615661470"
    };
    firebase.initializeApp(config);
  </script>
</head>
<body>

</body>
</html>